pynche: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/bin/pynche - from package: python-tools

You may install the required package with command yum install {package}

Error in other languages:
pynche: bevel nie gevind nie
pynche: comandă negăsită
pynche: comando não encontrado
pynche: commande introuvable
pynche: command not found
pynche: käsku ei ole
pynche: không tìm thấy lệnh
pynche: komanda nerasta
pynche: Kommando nicht gefunden.
pynche: kommandot finns inte
pynche: komut yok
pynche: nie znaleziono polecenia
pynche: níor aimsíodh an t-ordú
pynche: no se encontró la orden
pynche: no s'ha trobat l'ordre
pynche: opdracht niet gevonden
pynche: parancs nem található
pynche: perintah tidak ditemukan
pynche: príkaz nenájdený
pynche: příkaz nenalezen
pynche: команда не найдена
pynche: командата не е открита
pynche: 命令找不到
pynche: コマンドが見つかりません